Ki is the Sumerian Goddess of the earth. In Sumerian mythology, she is the daughter of Nammu, Goddess of the primordial sea. In the later Babylonian mythology, she is the daughter of Anshar and Kishar. In either case, she is the sister/wife of Anu, God of the sky, and mother by him of the Anunnaki, including Enlil, God of the air. Ki was eventually supplanted by Ninhursag as the Great Mother. Her name means “earth.”:

Ki is the Sumerian Goddess of the earth. In Sumerian mythology, she is the daughter of Nammu, Goddess of the primordial sea. In the later Babylonian mythology, she is the daughter of Anshar and Kishar. In either case, she is the sister/wife of Anu, God of the sky, and mother by him of the Anunnaki, including Enlil, God of the air. Ki was eventually supplanted by Ninhursag as the Great Mother. Her name means “earth.”